From eddab0408c32b6a0c1928b2765fdf7bf2e39de76 Mon Sep 17 00:00:00 2001
From: Matt Nadareski <mnadareski@outlook.com>
Date: Fri, 9 Sep 2016 13:42:54 -0700
Subject: [PATCH] [FileTools] Don't write if the file already exists

---
 SabreTools.Helper/Tools/FileTools.cs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/SabreTools.Helper/Tools/FileTools.cs b/SabreTools.Helper/Tools/FileTools.cs
index 7c865c21..67964b52 100644
--- a/SabreTools.Helper/Tools/FileTools.cs
+++ b/SabreTools.Helper/Tools/FileTools.cs
@@ -542,9 +542,12 @@ namespace SabreTools.Helper
 									{
 										Stream tempstream = new MemoryStream();
 										reader.WriteEntryTo(tempstream);
-										archive.AddEntry(destEntryName, tempstream);
 
-										archive.SaveTo(outputArchive + ".tmp", CompressionType.Deflate);
+										if (!archive.Entries.Contains(reader.Entry))
+										{
+											archive.AddEntry(destEntryName, tempstream);
+											archive.SaveTo(outputArchive + ".tmp", CompressionType.Deflate);
+										}
 									}
 									catch (Exception)
 									{